MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Pharmaceutical Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
pH range required for streptomycin production is __________ |
| A. | 7-8 |
| B. | 5-8 |
| C. | 4-5 |
| D. | 9-10 |
| Answer» B. 5-8 | |
| 2. |
How is streptomycin recovered? |
| A. | Paper chromatography |
| B. | Hydrophobic chromatography |
| C. | Size exclusion chromatography |
| D. | Ion exchange chromatography |
| Answer» E. | |
| 3. |
Streptomycin is _____ antibiotic. |
| A. | Narrow spectrum |
| B. | Broad spectrum |
| C. | Narrow and broad spectrum |
| D. | Medium spectrum |
| Answer» C. Narrow and broad spectrum | |
| 4. |
How is penicillin stored? |
| A. | Filtration |
| B. | Crystallization |
| C. | Distillation |
| D. | Sublimation |
| Answer» C. Distillation | |
| 5. |
The doubling time of Penicillium notatum is ___________ |
| A. | 6 hrs |
| B. | 5 hrs |
| C. | 4 hrs |
| D. | 3 hrs |
| Answer» B. 5 hrs | |
| 6. |
pH required for the production of penicillin will be ______________ |
| A. | 8.0 |
| B. | 7.5 |
| C. | 6.5 |
| D. | 5.0 |
| Answer» D. 5.0 | |
| 7. |
What is the precursor of penicillin? |
| A. | Benzylpenicillin |
| B. | Isopenicillin N |
| C. | phenylacetic acid |
| D. | L- aminoadipic acid |
| Answer» D. L- aminoadipic acid | |
| 8. |
Penicillium chrysogenum produce penicillin. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Penicillin inhibits cell wall synthesis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Penicillin is active against ____________ |
| A. | Gram +ve bacteria |
| B. | Gram-ve bacteria |
| C. | All virus |
| D. | All bacteria |
| Answer» B. Gram-ve bacteria | |
| 11. |
How inoculum is prepared in the production of antibiotics? |
| A. | On solid media |
| B. | On liquid media |
| C. | First on solid media than on liquid media |
| D. | On suspension |
| Answer» D. On suspension | |
| 12. |
Antibiotics are mainly produced by _________ |
| A. | Bacteria |
| B. | Algae |
| C. | Fungi |
| D. | Fungi and bacteria |
| Answer» E. | |
| 13. |
How many antibiotics have still been isolated? |
| A. | 5000 |
| B. | 2000 |
| C. | 7000 |
| D. | 3000 |
| Answer» D. 3000 | |